
.example-card {
    max-width: 300px;
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
}

// 列表工具条
mat-toolbar{
    height:70px;
    mat-form-field{
        margin-top:20px;
        margin-left:5px;
    }
}
.example-spacer {
    
    flex: 1  ;
    }

    .trush-button{
        margin-right:25px;
    }